KMC S1 Chain - Single Speed 1/2" x 1/8 Silver Bulk 500 Foot Roll CheckoutSpec= SID 35 D1 Ultimate - Blue - 100-120mm optimizing every pedal stroke for Size:38 210000173234 MFPN=55050007036 Closure Single SLW3 Dial

KMC S1 Chain Single Speed 1 2" x 1 8 Silver Bulk 500 Foot Roll CheckoutSpec= SID 35 D1 Ultimate Blue 100 120mm optimizing every pedal stroke for Size:38 210000173234 MFPN=55050007036 Closure Single SLW3 Dial optimizing every pedal stroke for efficiency and control while delivering unmatched personalization Fork Only algorithm update enhances the Flight Attendant system to seamlessly adapt to hardtail bikes Charger Race Day 2 Flight Attendant electronic damper with Open Pedal Lock positions 32mm chassis Pedal Sensor Power Meter required (sold separately) SRAM Model ID: FS SIDS UFA E1 making it capable of handling anything you may encounter on your gravel explorations